Sunspot region AR8109
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/11/17 | 1 | 10 | HRX | S18E66 | |
| 1997/11/18 | 6 | 30 | CRO | S18E51 | |
| 1997/11/19 | 6 | 30 | CSO | S19E38 | |
| 1997/11/20 | 6 | 30 | DSO | S19E25 | |
| 1997/11/21 | 6 | 50 | CSO | S19E11 | |
| 1997/11/22 | 4 | 30 | CRO | S19E00 | |
| 1997/11/24 | 6 | 30 | CRO | S18W30 | |
| 1997/11/25 | 3 | 20 | CRO | S18W47 | |
| 1997/11/26 | 1 | 10 | AXX | S21W60 | |
| 1997/11/28 | 1 | 0 | AXX | S22W82 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
AR4401 19Space Weather Memes 806CMes from ar 4392 (19-21st of march) 271Growth of Cycle 25 996Incoming & Unnumbered Active Regions 242
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/23 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 79.2 +1 |
| Last 30 days | 75.6 -9.1 |